CN103254980B - Lubricating grease for crane jib - Google Patents
Lubricating grease for crane jib Download PDFInfo
- Publication number
- CN103254980B CN103254980B CN201310186119.8A CN201310186119A CN103254980B CN 103254980 B CN103254980 B CN 103254980B CN 201310186119 A CN201310186119 A CN 201310186119A CN 103254980 B CN103254980 B CN 103254980B
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- CN
- China
- Prior art keywords
- lubricating grease
- agent
- compound
- base oil
- mass ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004519 grease Substances 0.000 title claims abstract description 24
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 21
- 229920013639 polyalphaolefin Polymers 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002199 base oil Substances 0.000 claims abstract description 8
- 229920002396 Polyurea Polymers 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 6
- 229920000570 polyether Polymers 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 150000001875 compounds Chemical class 0.000 claims description 10
- -1 PAO compound Chemical class 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 239000007866 anti-wear additive Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 4
- 230000002940 repellent Effects 0.000 claims description 4
- 239000005871 repellent Substances 0.000 claims description 4
- 150000002461 imidazolidines Chemical class 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- QDCPNGVVOWVKJG-VAWYXSNFSA-N 2-[(e)-dodec-1-enyl]butanedioic acid Chemical compound CCCCCCCCCC\C=C\C(C(O)=O)CC(O)=O QDCPNGVVOWVKJG-VAWYXSNFSA-N 0.000 claims description 2
- WRAGBEWQGHCDDU-UHFFFAOYSA-M C([O-])([O-])=O.[NH4+].[Zr+] Chemical group C([O-])([O-])=O.[NH4+].[Zr+] WRAGBEWQGHCDDU-UHFFFAOYSA-M 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 150000001879 copper Chemical class 0.000 claims description 2
- GVPWHKZIJBODOX-UHFFFAOYSA-N dibenzyl disulphide Natural products C=1C=CC=CC=1CSSCC1=CC=CC=C1 GVPWHKZIJBODOX-UHFFFAOYSA-N 0.000 claims description 2
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical compound OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical group S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 239000002562 thickening agent Substances 0.000 abstract 2
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 1
- 150000002462 imidazolines Chemical class 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229940083254 peripheral vasodilators imidazoline derivative Drugs 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000922 High-strength low-alloy steel Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QWVMUSBBWGTKML-UHFFFAOYSA-N [Li].[Mo](=S)=S Chemical compound [Li].[Mo](=S)=S QWVMUSBBWGTKML-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013456 study Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention discloses lubricating grease for a crane jib. The lubricating grease consists of the following ingredients in percentage by mass: 75%-80% of base oil, 20%-12% of a thickening agent and 5%-8% of other additives. The lubricating grease is prepared by adopting a composite of the mixed polyether and poly alpha-olefin (PAO) as the base oil and composite polyurea as the thickening agent. The lubricating grease for the crane jib has good combination properties, and all the performance indexes of the lubricating grease satisfy use requirements; and the lubricating grease has good adhering temperature performance, thermal oxidation stability, anti-corrosion performance, adhesivity, water resistance, corrosion resistance, abrasive resistance, mechanical safety and obvious biodegradability. Imidazoline derivatives have adsorption molecules with a plurality of adsorption sites, can form a layer of stable adsorption film on metal surfaces, have a corrosion inhibition function and can be also used for improving the water resistance of the lubricating grease. The crane jib can be used in severe working conditions through utilizing the lubricating grease.
Description
Technical field
The present invention relates to a kind of crane arm lubricating grease.
Background technology
Along with production-scale expansion, the raising of level of automation, the effect as the visual plant lifting machine of material handling in modern production process is more and more large, apply more and more wider, also more and more higher to the requirement of lifting machine.The develop rapidly of science and technology, has promoted the raising of modern designs and manufacturing capacity, and fierce competition in the international market also more and more depends on the competition of technology.Benefit from the pulling of the positive factor such as sustainable development, the continuous expansion of real-estate market of the growing continuously and fast of outlet, metallurgy industry, impel the technical feature of lifting machine to enter brand-new developmental stage, lifting machine just, towards large-tonnage future development more, has also proposed higher performance requriements for the lubricating grease of coordinative composition of equipments.
At present, lifting machine, in the time of Design and manufacture, considered and will reduce height of contour, simplified construction as far as possible, reduce wheel load, and structure aspects adopts thin-wall section and deformed steel, reduces the splicing welding joint of structure, improves anti-fatigue performance; Adopt various high-strength low-alloy steel novel materials, improve supporting capacity, improve stress condition, alleviate deadweight and increase good looking appearance.But as the arm of lifting machine key part, the quality of its serviceability directly affects the lifting performance of lifting machine.Crane arm mechanism complexity, working conditions is changeable, local pressure is obvious etc.Arm in the course of the work, due to telescopic section and slide block distortion, worsens its contact condition, has aggravated the intensity of stress, thereby has caused the inefficacy of arm.In addition, crane arm is easy to occur friction self-excited vibration, and current used grease based on molybdenum disulfide lithium and extreme pressure lithium base lubricating grease are difficult to meet the needs of its features.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of crane arm lubricating grease that has good sticky warm nature, thermal oxidation stability, rust-preventing characteristic, adhesivity, water resisting property, erosion resistance, resistance to abrasion, mechanical stability and outstanding biological degradability, uses under harsh working condition to meet crane arm.
The present invention solves the problems of the technologies described above with following technical scheme:
Crane arm lubricating grease of the present invention, adopts polyethers and poly-alpha olefins (PAO) compound as base oil, and viscosifying agent is composite polyurea viscosifying agent, coordinates multiple composite additive, and the mass percent of each component is:
| Component | Content (mass percent) |
| Base oil | 75%～80% |
| Viscosifying agent | 20%～12% |
| Extreme pressure anti-wear additives | 2%～4% |
| Oxidation inhibitor | 0.5%～3% |
| Rust-preventive agent | 0.02%～0.05% |
| Water repellent agent | 0.3%～0.6% |
| Weighting agent | 0.8%～1% |
Base oil is that the polyethers of mass ratio 50%～60% and 50%～40% poly-alpha olefins (PAO) are compound.
Viscosifying agent is composite polyurea viscosifying agent.
Extreme pressure anti-wear additives is that boric acid ester amine salt and 40%～30% the benzyl disulfide compound of mass ratio 60%～70% is compound.
Oxidation inhibitor is that organic copper salt and 40%～50% the oil soluble dialkyl dithiophosphoric acid oxygen molybdenum of mass ratio 60%～50% is compound.
Rust-preventive agent is that imidazolidine derivatives and 40%～50% the dodecenylsuccinic acid of mass ratio 60%～50% is compound.
Water repellent agent is zirconium carbonate ammonium.
Weighting agent is molybdenumdisulphide.
Crane arm of the present invention has with the remarkable advantage of lubricating grease:
1. good combination property, property indices all reaches service requirements; It has that good sticky warm nature, thermooxidizing are stable, rust-preventing characteristic, adhesivity, water resisting property, erosion resistance, resistance to abrasion, mechanical stability and outstanding biological degradability.Can meet crane arm uses under harsh working condition.
2. the imidazolidine derivatives that adopted has the molecule of many adsorption site absorption, can form the stable adsorption film of one deck on metallic surface, has the effect of corrosion inhibition, can also improve the water repelling property of lubricating grease simultaneously.
Embodiment
The present invention is directed to the features of crane arm, by adopting artificial neural network algorithm, targetedly several functions additive is selected and prediction, and adopted genetic algorithm to carry out choosing of Optimization design, seek to obtain the crane arm lubricating grease component of different size, cost performance.The performance that this component is good and every physical and chemical index all reach service requirements, can meet crane arm and use under harsh working condition.
The present invention adopt polyethers and poly-alpha olefins (PAO) compound as crane arm grease base plinth oil, adopt composite polyurea viscosifying agent, effect, characteristic to several functions additive are carried out mathematical model analog calculation and screening, study their compatibleness, in the hope of best additive usage quantity, finally obtain the formula of lubricating grease.Research arm special grease has effectively improved the rubbing characteristics of slide block, eliminates friction self-excited vibration, reduces arm wearing and tearing.
Embodiment 1:
Following component is in harmonious proportion and forms by mass percentage:
Embodiment 2:
Following component is in harmonious proportion and forms by mass percentage:
Embodiment 3:
Following component is in harmonious proportion and forms by mass percentage:
Measure through provincial technical supervision department, the every physical and chemical index of product of the present invention all reaches service requirements.The every typical physical and chemical index of product of embodiment 2 is in table 1.
The typical physical and chemical index of lubricating grease for table 1 crane arm
Claims (1)
1. a crane arm lubricating grease, is characterized in that adopting polyethers and poly-alpha olefins PAO compound as base oil, and viscosifying agent is composite polyurea viscosifying agent, coordinates multiple composite additive, and the mass percent of its raw material is:
Above component percentages adds up to 100%;
Wherein:
Base oil is that polyethers and 50% ~ 40% the poly-alpha olefins PAO of mass ratio 50% ~ 60% is compound;
Viscosifying agent is composite polyurea viscosifying agent;
Extreme pressure anti-wear additives is that boric acid ester amine salt and 40% ~ 30% the benzyl disulfide compound of mass ratio 60% ~ 70% is compound;
Oxidation inhibitor is that organic copper salt and 40% ~ 50% the oil soluble dialkyl dithiophosphoric acid oxygen molybdenum of mass ratio 60% ~ 50% is compound;
Rust-preventive agent is that imidazolidine derivatives and 40% ~ 50% the dodecenylsuccinic acid of mass ratio 60% ~ 50% is compound;
Water repellent agent is zirconium carbonate ammonium;
Weighting agent is molybdenumdisulphide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186119.8A CN103254980B (en) | 2013-05-19 | 2013-05-19 | Lubricating grease for crane jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310186119.8A CN103254980B (en) | 2013-05-19 | 2013-05-19 | Lubricating grease for crane jib |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103254980A CN103254980A (en) | 2013-08-21 |
| CN103254980B true CN103254980B (en) | 2014-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310186119.8A Expired - Fee Related CN103254980B (en) | 2013-05-19 | 2013-05-19 | Lubricating grease for crane jib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103254980B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104312661A (en) * | 2014-10-16 | 2015-01-28 | 新乡市恒星化工有限责任公司 | Copper-based anti-occlusion high-temperature threaded sealing lubricating grease and preparation method thereof |
| CN106590888A (en) * | 2016-11-28 | 2017-04-26 | 广西大学 | Environment-friendly wide-temperature-range breaker upper arm frame composite polyurea lubricating grease composition |
| CN113122353A (en) * | 2021-04-01 | 2021-07-16 | 于长明 | Special oil for maintaining telescopic arm of crane and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124280A (en) * | 1994-12-06 | 1996-06-12 | 陈琰 | Anti extreme pressure heavy load grease |
| CN101693851A (en) * | 2009-09-30 | 2010-04-14 | 中国石油化工股份有限公司 | Synthetic high-temperature lubricating grease and production method thereof |
-
2013
- 2013-05-19 CN CN201310186119.8A patent/CN103254980B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1124280A (en) * | 1994-12-06 | 1996-06-12 | 陈琰 | Anti extreme pressure heavy load grease |
| CN101693851A (en) * | 2009-09-30 | 2010-04-14 | 中国石油化工股份有限公司 | Synthetic high-temperature lubricating grease and production method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103254980A (en) | 2013-08-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |